diff options
Diffstat (limited to 'src/mman/mmap.c')
-rw-r--r-- | src/mman/mmap.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/mman/mmap.c b/src/mman/mmap.c new file mode 100644 index 0000000..93c7658 --- /dev/null +++ b/src/mman/mmap.c @@ -0,0 +1,18 @@ +#include <unistd.h> +#include <sys/mman.h> +#include <errno.h> +#include <limits.h> +#include "syscall.h" +#include "libc.h" + +void *__mmap(void *start, size_t len, int prot, int flags, int fd, off_t off) +{ + if (sizeof(off_t) > sizeof(long)) + if (((long)off & 0xfff) | ((long)((unsigned long long)off>>(12 + 8*(sizeof(off_t)-sizeof(long)))))) + start = (void *)-1; + return (void *)syscall6(__NR_mmap2, (long)start, len, prot, flags, fd, off>>12); +} + +weak_alias(__mmap, mmap); + +LFS64(mmap); |